JPS5884100A - 下水汚泥の処理方法 - Google Patents
下水汚泥の処理方法Info
- Publication number
- JPS5884100A JPS5884100A JP56181026A JP18102681A JPS5884100A JP S5884100 A JPS5884100 A JP S5884100A JP 56181026 A JP56181026 A JP 56181026A JP 18102681 A JP18102681 A JP 18102681A JP S5884100 A JPS5884100 A JP S5884100A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- stage
- tank
- phase
- separated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010801 sewage sludge Substances 0.000 title claims description 7
- 239000010802 sludge Substances 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims abstract description 16
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 29
- 230000029087 digestion Effects 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 16
- 238000005188 flotation Methods 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 238000010297 mechanical methods and process Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 16
- 238000004062 sedimentation Methods 0.000 description 15
- 238000007667 floating Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 244000047478 Afzelia bijuga Species 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 101100322581 Caenorhabditis elegans add-1 gene Proteins 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 241000218691 Cupressaceae Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treatment Of Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181026A JPS5884100A (ja) | 1981-11-13 | 1981-11-13 | 下水汚泥の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181026A JPS5884100A (ja) | 1981-11-13 | 1981-11-13 | 下水汚泥の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5884100A true JPS5884100A (ja) | 1983-05-20 |
| JPS6349556B2 JPS6349556B2 (enrdf_load_html_response) | 1988-10-05 |
Family
ID=16093461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56181026A Granted JPS5884100A (ja) | 1981-11-13 | 1981-11-13 | 下水汚泥の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884100A (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005125203A (ja) * | 2003-10-22 | 2005-05-19 | Sumitomo Heavy Ind Ltd | 有機性廃水の処理装置 |
| JP2015080734A (ja) * | 2013-10-21 | 2015-04-27 | 東京瓦斯株式会社 | 排水処理装置及び排水処理方法 |
-
1981
- 1981-11-13 JP JP56181026A patent/JPS5884100A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005125203A (ja) * | 2003-10-22 | 2005-05-19 | Sumitomo Heavy Ind Ltd | 有機性廃水の処理装置 |
| JP2015080734A (ja) * | 2013-10-21 | 2015-04-27 | 東京瓦斯株式会社 | 排水処理装置及び排水処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349556B2 (enrdf_load_html_response) | 1988-10-05 |
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